After the island is said to have finished massing or forming, it will probably take a long time to cool down before Man can inspect it more closely. Maybe years.
There is a huge volcanoe below the surface, extending to what used to be normal ocean depth of that area of the Pacific.
One may not want step there for several centuries...after it goes dormant.
The Chinese will have a “research facility” on it by next week.
Heck, cruise ships will book excursions within months!